Observation of dissociative quasi-free electron attachment to nucleoside via excited anion radical in solution

Radiation-induced low-energy electrons in solution are implicated in DNA damage, but their relaxation dynamics are not well understood. Here the authors observe how quasi-free electrons dissociate glycosidic bonds via an excited nucleoside anion radical, whereas solvated electrons reside on the nucl...

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Bibliographic Details
Main Authors: Jun Ma, Anil Kumar, Yusa Muroya, Shinichi Yamashita, Tsuneaki Sakurai, Sergey A. Denisov, Michael D. Sevilla, Amitava Adhikary, Shu Seki, Mehran Mostafavi
Format: article
Language:EN
Published: Nature Portfolio 2019
Subjects:
Q
Online Access:https://doaj.org/article/f58a15dcfe324e5c8e476dd5af58d080
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Summary:Radiation-induced low-energy electrons in solution are implicated in DNA damage, but their relaxation dynamics are not well understood. Here the authors observe how quasi-free electrons dissociate glycosidic bonds via an excited nucleoside anion radical, whereas solvated electrons reside on the nucleoside as a relatively stable anion radical.